Search for emission of unstable $^8$Be clusters from hot $^40$Ca and $^56$Ni nuclei

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dc.creatorRousseau, M.
dc.creatorBeck, C.
dc.creatorBhattacharya, C.
dc.creatorRauch, V.
dc.creatorDorvaux, O.
dc.creatorEddahbi, K.
dc.creatorEnaux, C.
dc.creatorFreeman, R. M.
dc.creatorHaas, F.
dc.creatorPapka, P.
dc.creatorSzilner, S.
dc.creatorStezowski, O.
dc.creatorde Toledo, A. Szanto
dc.creatorHachem, A.
dc.creatorMartin, E.
dc.creatorSanders, S. J.
dc.creatorMahboub, D.
dc.date2001-02-19
dc.date.accessioned2026-07-07T05:36:44Z
dc.date.available2026-07-07T05:36:44Z
dc.descriptionThe possible occurence of highly deformed configurations is investigated in the $^{40}$Ca and $^{56}$Ni di-nuclear systems as formed in the $^{28}$Si + $^{12}$C and $^{28}$Si + $^{28}$Si reactions, respectively, by using the properties of emitted light charged particles. Inclusive as well as exclusive data of the heavy fragments (A $\geq$ 6) and their associated light charged particles (p, d, t, and $α$-particles) have been collected at the IReS Strasbourg VIVITRON Tandem facility with two bombarding energies $E_{lab}(^{28}$Si) = 112 and 180 MeV by using the ICARE charged particle multidetector array, which consists of nearly 40 telescopes. The measured energy spectra, velocity distributions, in-plane and out-of-plane angular correlations are analysed by Monte Carlo CASCADE statistical-model calculations using a consistent set of parameters with spin-dependent level densities. Although significant deformation effects at high spin are needed, the remaining disagreement observed in the $^{28}$Si + $^{12}$C reaction for the S evaporation residue suggests an unexpected large unstable $^{8}$Be cluster emission of a binary nature.
dc.description13 pages latex, 9 eps figures. Paper presented at the XXXIX International Winter Meeting on Nuclear Physics, Bormio(Italy) January 22-27, 2001 (to be published at Ricerca Scientifica ed Educazione Permanente)
dc.identifierhttps://arxiv.org/abs/nucl-ex/0102008
dc.identifierhttp://arxiv.org/abs/nucl-ex/0102008
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/81094
dc.subjectNuclear Experiment
dc.titleSearch for emission of unstable $^8$Be clusters from hot $^40$Ca and $^56$Ni nuclei
dc.typetext

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